Is it possible to clean an O2 sensor to make it functional again?

Jason

> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On
Behalf Of
> Ken Lewis
> Sent: Friday, November 05, 2004 9:31 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Drop in gas mileage update 2
>
> William,
>     The O2 sensor kind of acts like a fuel cell(a battery is a good
> analogy). A voltage is produced (1 to 1.5 volts) when there is a
> difference
> of oxygen levels between the inside of the sensor(the environment air)
and
> the outside of the sensor sitting in the exhaust stream . This
indicates a
> rich condition or to little O2.When there is O2 in the exhaust (lean),
the
> inside and outside of the sensor has less O2 differences and the
voltage
> output drops to zero. See: http://neksiwel.20m.com/photo5.html
>
> Ken Lewis